Type designs for small water supply systems - IRC :: Home · PDF file25 m3 r.c. circular...

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Type designs for small water supply systems

International Reference Centre J2.Q j - ^ C l N - p ^ ^ for Community Water Supply and Sanitation v l / ~J-+J

£ P J2>2

Type designs for small water supply systems

International Reference Centre for Community Water Supply and Sanitation

200 - 0 2 1 - 1 0 " 21 -10 2 1 - 1 0 " 21-10 " 21-10

o o a Q

a s a a

— a — o — » * T * n o — n IT D a V ~ ~V v

DETAILS OF A KING-POST TRUSS

109'-2"

12" SECTION D-D

Paving slabs

Cone mix 1:3:6

SECTION C-C

I J—LH—

215'-3" -4 DETAILS OF PAVING

SLABS

~~™ W 5 - 0 SECTION B-B

U PLAN All dimensions In cm, unless otherwise shown

WATER CATCHMENT AND UNDERGROUND TANK TANZANIA

MS. handl«

520 l%5q,»

LONGITUDINAL SECTION

o c a o

;r =ril J'TjJ; ife^T ;. 150 )

I .

O c 2

- . " '.

_

...... _._ :

c

E * c o a E u

' • - _ : - — —

z

: - • - . . - .

.. . -. -..

, - : _ • : . _ - .

-.":-'"-"-';-—-' -,'-

1 _ — • . - .

Road

1500 \ t o 2 5 0 0

PUMP SHEAD TANK & TOWER

L, 3 0 0 L 150 ' 360 J,

SEDIMENTATION TANK FILTER TANK CLEAN WATER TANK

SECTIONAL PLAN AM dimension* In cm, unlet• otherwise shown

FILTER UNIT FOR DOMESTIC CANAL WATER SUPPLY SUDAN

Street typical section

Pip*

Walkway

Principal pipe to be located at 0 .5 mrts from curve. Where it doesn't exist locate if a 2 .000 mrts from property In small alleys e 1.50m i from center of street I Where possible pipe should be installed in the North or West Side of streets

15

Mouth • a

t-'-t-'-t

30

Tool for interrupting service and lift box LID Importont: design the mouth in occorddnce to valve types being used

Tool for lifting box LID

35

- ^ Z3

55

V- *=!> = /

I ! I SECTION A-A SECTION B-B

PLAN

House connection osbestos cement Z3" In P.V.C. p > 4" Rast iron 4> % 3 In P.V.C. * 4 " build a sleeve Asb.cem. p < 3"uscsoddle

All dimensions In cm, unless otherwise shown

HOUSE CONNECTION 6.06

GO x 6 0 Monhole with 75 x 6 0 x 75 x 6 0 Cover of Timber

Ventilator

For reinforcement 7 5 x 6 0 Protection Guard made with yl2" 4 Bar welded to to todder at 90 c/c

2"x 3 ' l6"M.S.Ftat»

2"x 3 ' i e " M S - F'oi% UxM *° w o"

„ ! s 4 0 0 x 4 0 0 R.C. Foundation

a l l " t l - H l U 3 m W . y - M W y A - . 430 x 4 3 0 Hordcore Base ' 5oo blinded with 1:6 Mortar on r 1 Upper Surface

6 0 0

Indicator R.C. Roof slab

24 Nos 'e 4 Bars S IS c/c in both directions (Top)

3 Nos V * Bars « 24c/c (Bottom)

For reinforcement

22 Nos ^2 4 Bars e 12 8.14C/C 9 Nos 3 'a "fJ Bars « 24 c/c

ELEVATOR

HALF SECTIONAL DETAIL OF TANK

in both d.rect.ons " < " " ' Wall j f ) b o < h a i r t c t i o n 4 , B o t t o m )

(Bottom}

DETAIL OF FLOOR & ROOF REINFORCEMENT

SECTION A-A

^ 3" Overflow

See detail A

PART TANK AND WALL PLAN DETAIL OF FOUNDATION REINFORCEMENT

25

AA A

/ TMTrrn /•

DETAIL OF SLIDING JOINT BETWEEN WALL & FLOOR SLAB

.y

Cone. 1:3:6 mix 2 1 Plates

!/2f$8or spacer

7cm long at 120 cm interval

M.S.Bar

Edge to be bevelled to suit diameter of tank

DETAIL OF BLOCK- DETAIL OF VENTILATOR & TIMBER WORK COVER

M.S. Rod —

Floating

^

All dlmtntlon* In cm, unlets ofherwhw shown

25 m3 R.C. CIRCULAR WATERTANK ON 6 m HIGH TANZANIA

50 130 50 55 5 0 1= Voriobl*

H—t-m

SECTION A-A SECTION B-B

-I—r *

n

B PLAN

Drainage

DETAIL OF FILTER

All dimension* In cm, untots otherwise shown

INFILTRATION GALLERY 1.07

ECUADOR

6" x 1,V Hardwood planks with t w o coats of bituminous point

7 Courses 1 nos 3 / 8 " t> per course

5 Courses 2 per course

nos 3 / 8 " * '

Concr. mix. 1:3:6

Cone. (mix. 1:3:6)

DETAIL OF BLOCK WORK

3" 0 Overflow

2 0 ' - 0 " Min 3 " * Washout plug to open drain to suit


3" t outlet

PLAN

I " ' I 9 " J

DETAIL OF EMERGENCY VALVE

5 ' - 7 . S "

TJl '2 * M.S. Bar as lifting handles

=*1

I DETAIL OF

LOCKING ARRANGEMENT

LOW HEAD RAPID GRAVITY FILTER WITH PUMP SUMP

Concr. mix 1:1,5 : 3 -

RING REINFORCEMENT WHERE

BROKEN BY PIPE

r 6"x 1,5" Hardwood planks with . \ ^ two coats of bituminous paint

) _ \ 1 h?

- H

DETAIL OF MANHOLE COVER

TANZANIA

Drum or concrttt container ( 2 0 0 L )

Platform toon

Flexible plastic or rubber tube

Taut nylon guidestring

DETAIL OF FLOATING BOWL (SECTION)

Solution

Oiled ceramic bowl

Rubber cork o 4 .4cm

' l j U m m ) Bore gloss 1 / j ' (12 mm) Rubber tube

>g" Bore glatt tube heated and drawn at top end to give o tmaN orifice

DETAIL OF ALTERNATIVE BOWL (SECTION)

FLOATING BOWL SOLUTION FEEDER

3 7 9

Rubber Gasket Wither Nut Metal pipe threaded on outside at bath endt

Sight guage Alternate tight guage transparent plastic tube

J C see detail "A"

Drain (see detail " B " ) I—Tank walls of

" E t e r n i t e " or A t b c t t o t -cement

1 \~ 23

OPEN, RECTANGULAR PLASTIC FLOAT

Notched

Solvent weM Stone ballast

Plastic block with l Y 2 c m ( ' / 8 ) diameter hole drilled full length

PLASTIC ROD WITH V-NOTCH

V-NOTCH CONSTANT-HEAD SOLUTION FEEDER DETAIL OF FLOAT ASSEMBLY All dimensions In cm, unlets otherwise shown

HYPOCHLORITE SOLUTION FEEDERS 3.01

International Reference Centre

ELEVATION RELATIONS

Max. W. Level e l Bottom of sedimentation tank e2 Reformed ground e3 Centre line level of pipe . 125 e4 Centre line level ol inlet pipe e5

BASIC DIMENSIONS

Ground widths Lengths Depth of water

DIAMETERS

Inlet Outlet (by pass) Overflow Drain pipe

LEGEND:

GROUND PLAN

Watte pip« f 2 0 0

SECTION C-C SECTION B-B

M,b2 L (max. 2000 cm) h (max. 155 cm)

d1 d2

d3 = . 150 mm d4 = . 80 mm

To treatment plant 1. Blinding concrete 2. Watertight reinforced concrete 3. Benching to gradient 4. Cement screed 5. Steel cover 6. Wood cover 7. Steel ladder 8. Overtlow 9. Flanged pipes and fittings In chambers 10. Perforated distribution pipe 11. Perforated collection pipe 12. Hand operated valve 13. Make-up piece 14. Blind flange 15. Anchoring

SECTIONAL PLAN All dimensions In cm, unlets otberwtt* shown

SEDIMENTATION TANK

weir for peak flood L variable

INLET TYPES

TYPE

1 2 3 4

DIMENSIONS

1 cm 1 cm

l.Scm 1.5 cm

1.0cm 2 cm 1 em 2 cm

APROX CONTRACTION COEFF.

Simplt Combined grate grate

0 . 4 5 0 . 5 5 0. 4S 0. 55

0 . 3 0 0 .37 0 . 3 0 0 .37

0 40 0.30

" • • ••• i ini i i f i / /l<iiiiiiimim l l l l I I I ~$/ y<{\ 111)

E w A M WAl

SIMPLE GRATE COMBINED GRATE

Bronze bolt 2"large

GRATE AUDIORAGE

FREE WIDTH :15 CM

FREE WIDTH:20 CM

FREE WIDTH:25CM

Free area per lineair meter in cms*

Simple grate

Combined grate

Free width : 25 cms

f 1cm

c Urn

(TypeD

1.200

775

# 1 c m

c 2 c m i

(Type 2)

1 .820

1 .050

# 1.5 cm c icm

(Type3)

9 2 5

6 0 0

f 1.5 cm

c 2 c mi

(Type4>

1.350

850

Free width : 20 cms

4 1 cm c 1 cm (TypeD

9 6 0

G20

d 1cm c2cms (Type 2)

1.300

8 4 0

^ 15cm c 1 cm

(Type 3)

74 0

4 8 0

# 1.5 cm c 1 cm (Type 4)

1 .060

6 8 0

Free width : 15cms

i 1cm c 1cm (TypeD

720

465

f 1cm c2cms (Type 2)

975

630

41.5 cm c 1 cm (Type 3)

5 5 5

360

d 1.5cm

c 2cms

(Type 4 )

810

510

All dimensions in cm, unless otherwise shown

WEIR INTAKE

'Z®?gr 1 '2 Orifice* 10 each row 30 in bottom 20 lateral!

f-shSo

A

SECTION A-A

4-t1

•415

* f-^

310 -f—*—+•

o o o o o o o r -

§88! -§- '

sv.

+t

15 15

—H>—v

43

too

100

PLAN

• i

jft—fry i

FOR WATER TEMP. T » 2 0 C " ' r ^ 2 REMOVAL OF PARTICLES ! . j SIZE 7.5 X 10-1 cm \^i

SECTION B-B

10

• ^ 5 ^

-t

15

216

GRIT CHAMBER

1 / 1 6 Steel ploU

L 20 x 20 x 3 mm welded to plate

L 20 x 20 x 3 mm aprox

ENTRANCE CANAL DETAIL

EFFLUENT WEIR DETAIL

All dlmemlone in em, unleit otherwfM ahown

2 0 0

2 0 0

DETAIL H DETAIL G

SECTION C-C

CROSS-SECTION A-A CROSS-SECTION D-D

A-E = Cross sections F = Relnforced-concrete shoe G = Hollow bricks laid sideways. Water enters the filter section I

through the holes in the brick. H = Hollow bricks laid Hat. Water enters the well through small

holes designated by L. See detail H and F. I = Sand filter section between brick walls J = Height of filter section, varies with depth of penetration into ground water K = Relnforced-concrete beams L = Small perforations through bricks H. See detail F. M = Layer of round stones N = Layer of gravel O = Layer of coarse sand P = Iron steps, SO cmm (20 in.) apart Q = Grate made of concrete beams

AMAZON WELL

INLET PIPE

Required only when waterJcvel m reservoir --^ «=* higher than ( £ } - J E — 5,500 m

0-4

T—®

« - r r

VALVE CHAMBER

OUTLET PIPE

VALVE CHAMBER

4000

LIST OF MATERIALS

1. Float valve 2. D1 FL short bend 90 3. 01 pipe double flanged L :

4. 01 pipe double flanged 5. D1 pipe single flanged 6. Pipe support 7. Pipe hanger 8. Surface box 9. Plain ended sluice valve 15. D1 pipe plain ended 16. Viking Johnson reducing coupling 17. Viking Johnson coupling 18. D1 pipe single flanged 19. Flanged ended sluice valve 20. D1 pipe double Hanged.

SECTION B-B

DETAIL Q

=ttBxOB3

INLET PIPE & OUTLET PIPE IN SAME BLOCK

PLAN

LIST OF MATERIALS

1 Dl FL BELLMOUTH 2 Dl FL SHORT BEND 90° 3 Dt PIPE SINGLE FLANGED 12 D l PIPE DOUBLE FLANGED 13 SURFACE BOX 20 PLAIN ENDED SLUICE VALVE 21 01 PIPE PLAIN ENDED 22 VIKING JOHNSON REDUCING COUPLING 23 VIKING JOHNSON COUPLING 24 D1 PIPING SINGLE FLANGED 25 FLANGED ENDED SLUICE VALVE

IF NOT INDICATED OTHERWISE ONLY IN CASE OF DIFFERENT OUTSIDE DIAMETERS OTHERWISE ORDINARY VIKING JOHNSON COUPLING

l o r U «-| Inlet pipe

rq1 /

II iorn«-i

fcfljpMq .!*

Outlet pipe

COMMON INLET-OUTLET PIPE AND

OUTLET PIPE IN SAME BLOCK

IorH"

tf.-ft _ ^ L _ _ B4>

OxOTU-b^ =J K

• Common I or H - 4 - 1 Inlet-outlet pipe

t - -4-a J i a i I I U L I I A

SECTION I - I FOR PIPES AT DIFFERENT LEVELS

SECTION n-n

NOTES:

1. For section A-A and appurtement list of materials see 'Inlet pipe'

?. For section B-B and appurtenant list of materials see 'outlet pipe'.

3. For section C-C, K-K and appurtenant list of materials see 'common inlel-oullel pipe'.

4. For dimension S see 'common Inlet-outlet pipe'.

COMMON INLET-OUTLET PIPE

©--T--©

SECTION C-C

SECTION C-C SECTION K-K

LIST OF MATERIALS

1. FLOAT VALVE 2. D l FL SHORT BEND 90° 3. D l PIPE DOUBLE FL L=4000 4. D l PIPE DOUBLE FL 5. D1 TEE FLANGED 6. CHECK VALVE 7. D l FL BELLMOUTH 8. D1 PIPE SINGLE FLANGED 9. PIPE SUPPORT 10. PIPE MANGER 11. D1 PIPE DOUBLE FL L = 200 12. D1 PIPE DOUBLE FL L = 200 min

(FOR SECT. K-K ONLY) 13. SURFACE BOX 14. PLAIN ENDED VALVE 14. PLAIN ENDED SLUICE VALVE 15. 0 1 PIPE PLAIN ENDED 16. VIKING JOHNSON REDUCING COUPLING 17. VIKING JOHNSON COUPLING 18. D1 PIPE SINGLE FLANGED 19. FLANGE ENDED SLUICE VALVE 20. D l PIPE DOUBLE FLANGED

DETAILS OF INLET & OUTLET PIPES

Detail A

PLAN IV M

ijUL"jui;illiuuauui|

Detail B

990

t=3f

1 L ^ : — Ht-P--il

ELEVATION

DETAIL A

DETAIL B

H-=H

200

B

t_.u

t-.J^FU-

- l i i 279

C

^

SECTION A-A

-M^M

SECTION B-B

L ' «0 t

IB

ES SECTION

C-C

240

SECTION D-D

310

SECTION E-E

2 0 0

- H 2 - ^

SECTION B-B

TRAP FOR INSOLUBLES

<h 95

•b^lyfe^-U

SECTION C -C

f 0.62

nT XL

2!

BRONZE GATE ASSEMBLY SECTION D-D


ALUM DOSING TOWER

0 * t " » l O * »»C •100 • 1

HI«SUM>NC DfViCfS

r7.:;i.i.!.:'" *T

m FT itikTT

L 1 r ' r ~ •••"]

I •'• FILTER « : ! ' /

hi ...i i .

, ••— • » • Wit la

• [ _ • - , ; • , . , 1- f-- • . .:- . .: .T j , r-p- • — ; I T I T r - _ _

O V ( " l O « #100 1 | i ' * V ] p

' SUF>»1» UNI »» C

plan

0**1N • (OB

onmtiom • too

I0M1 JOINT

ffSr

rUf-i-t^L.:

detail D ( weir and gutter) section E-E

section B-B

I (OO 10 V<U«G1

- » * - J 2 -

[I tU»f*N«IANI *»( ! •

| I rn. rfa MNO

.5525 4 . + ^ h f«o

section A - A

•+ -

G*OUMt> I f V t l

I0MI1I (WOUNBWatfH l l V ( t

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section C

BILL OfOUANT

MAFffttAL

COWCMH i I 1 •tmrOMCtWf •>) » t t i t

MaSOH**

ni t i l **NO o i» - o >*»« tooo«<« COa*M 9<*J0 1 0 0 - I40a>-v 1 0 0 * « - |

Ga**El 4 0 0 - S « 0 e » a IOO»fl>

OltaVIL 1* - *J «•«•-. I IOHO

•MOalM srtMf • SO- IOO»m I J O K K

OATI VMVIS

• U > ' I " ' l > «>lVtS •VC PIPES • '00

M * IIMOS

F-JQINIS

Tl«$

>*oo».

OU«Mt>TI(S

FS «3

10 - J

mo - i

40 ml

10

1

ISO - '

»s

<s

• •UTFIM'lf »»IVI

section G - G

I.R.C. SLOW SAND FILTER 4

-15 -14 -13 -12

-10

- 9

-8

- 4

-3 .5

- 2 . 5

•1.5

-100

-10

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„ . C A? teg AH AH

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u u u.

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0.1 10 no FLOW, 0 (eft)

2 5 3

21 -~

. 1 5 -

--

12-^

10-

8 -

7 -

~ 6 -

_" 5 -.

4"

3 -

2

•A x V * S -i

s i?

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Q = 2.284(H)5'

pTOOO

^ J>

i ~ CC

Ui *

O z >

6C00 jSOOO -4000

^3000

H2000

^1000 r 8 0 0

- 6 0 0

- 4 0 0

- 3 0 0

:-20O z o

: I 0 0 5 :- 80 f " O - 6 0 ->

- 4 0

- 3 0

- 2 0

• 10 - 8

6

-4

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2

Q= I.3I2(H)H

1-4000

_ h

i ~~" cc Ul

* t -o z

> • o (0

-- 3 0 0 0

- 2 0 0 0

T-1000 E- 800

r 6 0 0

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— ^ 2 1

- 18

- 15 ~ - 12

P- 10 -- 9 - 8 -- 7

— 6

—5

7 4

-- 3

- 2

Nomograph for 60° and 90s V-notch weirs,

ac

l -_

15 -

--j

2 -

. -2 3 -r

3 . —

'-. 4.-3

-5 . -

7 -

9 -

10. _"

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E

25-1

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Wilhcjt and contracts. Q = 3 3 3 L H " With and cottroctiont. Q = 3 . 3 3 ( L - 2 h J h * =

8 0 0 0 ^

5000 -

3:45

i-39 :-33

O 2000 -,fZT

I f ) ' = . . ' J 1000 ~

•5 5 0 0 -$ ^ ° 2 0 0 :

. . 2 1

- 1 5

-12

» iE-s c l 0 0 ^ $ -_ 5 0 -" o

EXAMPLE' 2 2 0 " L'3ft.,H«4«i i

I Without «nd controctiora, 8 l 0 ~ (D-0). RMd 0-850 GPM cc -

2. Wim «f>d conlroctiont, "• Rood 0 -850 GPM | Subtract 0-19 6PM cJ 2 -Amwor: Q»83l GPM

" 6

-^ 4 L

L 3

- 2

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£ i '

G 2 z t -03 3 1 -W

uj CD .05

0 2 -£ « 0 1 -

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1/ - - - '8

3 . 3 3 L H , - 0 . 6 6 H ' '

X

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9 0 0 0 -eooo -7000 -6000

3 0 0 0 -

4000 —

3 0 0 0 ^

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20OO—

,— 25

- 2 0

15

— 10 - 9 _ 8 — 7 — 6

— 4

r - 3

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1 0 0 -90 SO 70 *

60 —

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3

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• ; .

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D - J H

V-NOTCH WEIR

H

RECTANGULAR WEIR

U L J

Nomograph for rectangular weirj.

CIPOLLETTI WEIR

Types of weirs.

i 60 60

PLAN

) i tt-n 11 n n i t - n n i t - im n n -n n~ Concrete / support 3 0 x 3 0 x 30

SECTION

s 30!

15 q • I

PLAN

=»i—ti—<i n ic—in en—u- -ui—«.:—t—-it=a=ra—o—o=g

il \

Enclosure

'2 :

Voriobie

5 0

5 0 "'

5 0 '

20 '

s^s^Msmm

Outlet pipe to distribution

10 1» ( -

15

120 10 - - t H

19

i 4"Pip« Ventilation ond disinfection

To static level of groundwater

# Concrete ' pipe $ 6

guide

^ 4" Pipe

Gate valve

LONGITUDAL SECTION

INFILTRATION GALLERY PERU

1.08

D n V

4000

3000 - -

- 0 9 - 0 8

- 0 7

0 6 00 a Ul 2000 - - 0 5 (c

a: UJ i -uj S < 5

1000^

900

800

700

600

500-

400

t-0.4 g

i-0.3 2 z

"" ( />-+02 g

< a: o _i cr o

r o.i £ . -0.09 ^008

: 1007

200--0 .05

r0 04

COlO 0 0 8

0 0 6 0.05

-0.04

«<i>., n.S

- 0 . 2

- 0 . 3

- 0 4

- 0 5 >

J - a e l

0 0 3

UJ

z I

3 O a: to o

-0.02

-0.015

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-0006

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- 0 8

0.9 H ui

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o - I UJ >

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0 2

•0.1

•0.08

0-06 0 05

•0.04

- 0 0 3

- 0 0 2

- 0 01

0.008

-0 006 - 0 005 -0.004

0.003

-0 .002

- 0 0 0 1 — -0 .0008

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0 0 0 0 3

r 00001 p 0.00008

0.00006 0 0 0 0 0 5

-0 .00004

0.00003

0.00002

rOOOOOl

rooooooe -0000006

0.000005 0.000004

Values of " n " i n

Manning Formula

Typt el Channel Closed Conduit*

Cast Iron Concrete

Straight With Bends

Unfinished City, Vitrified

Corrugated Metal Brickwork Sanitary Sewers,

coated with slime

0013

0011 0013 0014

0.012 0.024 0.013

0013

Open CtramMts; l ined

Asphalt Brick

Concrete Trowel Finish float Finish

Unfinished Concrete, bottom float finished

with sides of Dressed stone Random stone Cement Rubble masonry Dry Rubble or riprap

Gravel Bottom, sides of Random stone Riprap

0.013 to O.OIf 0.013 to 0.015

0.013 0015

0.017

0.017 0.020 0.025 0.030

C.023

0033

Excavated «r Dredged

Earth, straight ind uniform Earth, winding and sluggish Channels, not maintained,

weeds and brush uncut

0018 to 0.0?7

0.025 to 0 040

0.080 to 0.100

Natural Stream

Streams

Clean stream, straight Stream with pools,

sluggish reaches, heavy underbrush

Flood Plains Pasture, no brush With some brush

0030

0.030 0050 to 0.100

NOMOGRAPH FOR SOLUTION OF THE MANNING FORMULA (METRIC UNITS)

si mm 265

30 . .20.;.

u

iFF

JL-l

m

I m

Tonk 2000 liters

f'A

- d ^ r

"130

320

t l b

SECTION C-C

6 0 0 30 20 2 2 0 30 J S Q 30 2 3 5 , 5 110 3 0

Jt-i--)t .- -+, - M ft ii 60

. si u

PLAN 15"°30,00,9,0015

fir f i it n n . i i"

15 2 305 477 2S5 15

30 3

70 15-*'

HM

^

I

Uf

3 £

I ~W

S£ SECTION D-D

i

2651

3 0 j _CJL JU _0i L J L

T? ^ IEEG

Canal between porshail flume and ftocculotor

2 6 5

30 _c

^ n U ^ T : - l - t - - t J --'|~:--:44-

1 .;-:t-:-JL - f -_4_

41 . 1

|— 1—

SECTION B-B

SECTION A-A AM dimensions in cm. unless otherwise shown

WATER TREATMENT PLANT-MODEL 5 TO 40 Its/sec. 4.04

COLOMBIA

UJ 1 -

z

i a: UJ a.

SN

O'

GA

LL

z

UJ

CH

AR

G

\n 5

PU M P

DISCHARGE

O

1 0 0 — 9 0 -8 0 -

7 0 -

6 0 -

5 0 —

4 0 -

3 0 -

2 0 -

1 5 -

— - "

10 -

8 -

6 -

•

—

4 0 0

3 0 0

2 0 0

1 5 0

1 0 0 9 0

8 0

7 0

6 0

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4 0

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NOMOGRAPH FOR

CYL 1 NDER DIAMETER

D

EXAMPLE

GIVEN: DIAMETER : 3 INCHES

STROKE = 1 0 INCHES

FREQUENCY = 4 0 STROKES/MINUTE

FIND: DISCHARGE FROM PUMP

ANSWER. 12 2 US GALS PER MINUTE </> or

in 6 -

O = i 0 2 N S 4

UJ -

5 * -z

or

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— 4 0 a z

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HAND PUMP DISCHARGE

STROKES PER MINUTE

N

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7 0 -

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NOTE: NOMOGRAPH BASEO ON 100 PERCENT GEOMETRIC CYLINDER DISPLACEMENT FOR SINGLE ACTION, RECIPROCATING HAND PUMPS(2ERO SLIP )

STROKE LENGTH

S

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NOMOGRAPH FOR HAND PUMP DISCHARGE

- - 1 0 0 0

- -oioo

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V

V

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Removable boff i t* aibcstot-cement J>

- Steel angin

NOTE: Spacing can be chonged

Bolt

Angle ottoched to baffle

HYDRAULIC FLOCCULATOR WITH REMOVABLE BAFFLES

4.09

MANOMETER showing 4 H - 7 0 - 3 0 . 4 0

<ua

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JL • o w n

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GIVEN A 9 0 * pipf olbow with an inudt diomtltr (0) of I t In (305cm) ond o I rgdnil (R) of 24 inchit (61cm).

For 0 manotnotor roodmg (AH) of 13m (58 k m ) , .hot ft I M rait of flow .

Roto of flo»(0h32OO«pm (12.100 Ipm)

UNITS

::., -

FLOW THROUGH AN ELBOW METER

Stand pipe / intermediate feeder chamber

Storage reservoir

• 115

KEY PLAN HYDRAULIC RAM OF PIPE FITTINGS

• 75x75x 100 mm deep 4 holes _for grouting rag bolt ^ 12 mm

100 mm long projecting 23 mm above floor for bolting legs

120

HYDRAULIC RAM INSTALLATION

140 '/ _Cement plaster 1:3 mortar

M.S. bar screen with o 12 mm M.S. bars 25 mm o.c.

Silt trap

Stone masonry in 1:4 mortar

3 Pip* to intermediate feeder tank or to hydram pump

Conc.1: 2:4mix.

PLAN SECTION B-B

DIAGRAMATIC VIEW OF INTAKE ARRANGEMENT

All dimensions In cm. unless otherwise shown

Pipe hydraulic ram as illustrated is based on the design given in the manual on the ram (or pumping water by S B Watt < Intermediete technology publications Ltd London)

A VIEW OF HYDRAM CONSTRUCTED FROM PIPE FITTINGS

6.09 HYDRAULIC RAM: INSTALLATION DETAILS WH0/SEAR0

OyERnOW *>*C«IOO » ' | 0 W 'VCOIOO j

m m c«*«t * —o«t» ITCHES

section B - B

plan

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section A - A

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section C - C

Jgqr

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section E - E wall section

BILL

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I.R.C. SLOW SAND FILTER 4.04

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1 " M 1 ' i-^A

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Trpt of rtpt

Asbestos Cement

Brass

Brick Sewer

Cast Iron New, Unlined

Old. Unlined*

Cement lined

Bitumastic Enamel

TarCoaled

Concrete or Concrete

Steel forms Wooden forms

Centrifugally Spun

Copper

Lined

l ined

Fire Hose (Rubber Lined)

Galvanized Iron

Glass

Lead

Masonry Conduit

Plastic

Steel

Coal-Tar Enamel Lined

New Unlined

Riveted

Tin

Vitrified

Wood Stave

•Urn "Hrdroulk l a t i n , " by C. ond A. Houn. WlUy , N.w Vo.k.

C

140

130140

100

130 40120

130-150

140160

115135

140 120 135

130140

135

120

140

130140

120140

140150

145150

140150

110

130

100-140

120

S. W.lt loni

NOMOGRAPH FOR SOLUTION OF THE HAZEN-WILLIAMS FORMULA (METRIC UNITS)

PROTECTIVE BELL

o , 0 l

SECTION B-B

r

To absortion pil

SECTION A - A

PLAN


PUBLIC STANDPOSTS 6 0 5

MEXICO

Down spout from Roof

Screen

^E ^>_

Monfio!e cover

Coutking

Y

•77^JJJ, , i r~T_

Max. Water level

5^?^y//>^y//x\\\

, Roof <4 washe-

receives first Runoff from

roof

2ZZZZzzzzz£a^& J

Screen

\

'I I M r-

C3

I Mapper votve v « J

-b-Sandtilter

(Moy Be used m place of roof washer)

v

tr

BASEMENT

5>f _ ^ ^

CISTERN

USABLE RANGE

0 * U s / s e c .

25

3 0

3 5

4 0

OYN PRESS

6 0 a 1 0 0

6 0 a 1 0 0

M IN I N I E T PRESS

1 0 . 0 0

2 0 . 0 0

1 0 . 0 0

2 5 . 0 0

1 5 . 0 0

3 0 . 0 0

1 5 . 0 0

ACCESSORIES

INLET

4 "

3 "

4 "

3 "

4 "

3 "

4 "

O U T L E T

6 "

6 "

6 "

6 "

O V E R F L O W

i DRAIN

6 "

6 "

6 "

6 "

TABLE OF TANK S E L E C T I O N S

215

r*

A Inlet

t = = 4 ^

U B

PLAN

@ @ @ ( 4 ) ( 5

Section allowing ori f ices p* */4

location in pipe (G )

( 3 rows wi th 9 or i f ices each )

i-

LIST OF ACCESSORIES

NO

1 2

3

4

5

6 7

8 9

10 11

12

13 14

15 16 17 18

O U A N . TILY

1 1

1 2 1

1 1

1 1

1 1

1

1

1

1 1

2 1

DESCRIPTION DIMENSIONS

| INLET DIAM

DRESSER

PIPE G I (THREADED ONE S IOE) PIPE G I

FLANGES FLOAT VALVE (FLANGE BOTH E N D S ) PIPE WITH HOLES ( THREADED BOTH ENDS)

C A P G I

f» 3" 3"

3"« 6 0 6 » 1 5

3"

3" 3 " » . 9 5

3 "

F 4 " 4"

4"« 6 0

6" i 15 4" 4"

4 " « 9 5 4"

| OUTLET DIAM

PIPE G I PIPE G I (THREADED ONE END)

GATE VALVE LOCK t CHAIN

• 6" 8"» 15

6 " « . 3 5 6"

-| DRAIN DIAM

PIPE G I PIPE G I (THREADED ONE END) GATE VALVE

# 6 " 6"« .15 6 'x 4 0

6"

I OVERFLOW DIAM

PIPE G I PIPE G I (THREAOED ONE END)

ELBOWS 9 0 ° G I PIPE G I (THREADED BOTH ENDS)

# 6 "

6 " i .15

6"» .35 6"

6"*8/nec

In case a f loat is not used,

substitute It by an elbow 90*

)h 100

All dimensions In cm, unless otherwise shown SECTION A - A SECTION B-B

-J

BREAK PRESSURE TANK VENEZUELA 6.02

izvcjsr o v i a r t o * a o i

&S=L • - ' . " - • " . ' - ' • • .

section A-A section B-B section C-C

«0O 1010

M_^

horizontal section ot pipe gallery

0 » I P H O «

M i i u t a T C I

=J

s ^ i

3=Jt(^-

U U d M I I

1 CMLOHII I POtAGI

CIF»» * * t | »

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J

B—,A~,

SlOW J AND r i l l fPS

»»OQ , . „ >O0O u l l t W l . ] | MOO

I K 1M »M»

B - J A - J plan

section 0

BILL Or QUANTITIES

•t*TCPtl«l

COMCMflf 1 1 J

*)(IN*0*KtWCNI S t l t l

MASONP.T

•HTtft SANO »< • - S i t * * t M O v

CO*»5l SAW) 1 0 * - * « « » 100 ~«"1

C"t*¥Il 4 0 0 - t M M tOO-« t >>ofl

caavt i • • - >>•>* t » o » - j G * * * f l 90 - l O O * * 1»0«»J

OAtI VAIVIS

P VC PIPtS • • • • • « •

• 0 ' VINOS

t - JOINTS

OUkNIIfllS

J *0 -»

• 000 • •

>••• 400 - >

I M - 1

I *

I M > '

4 0

M

I.R.C. SLOW SAND FILTER 4.05

\m

INLET

- Outer

J H ii

SCRI

Scrocn

y- Flexible Pipe

1 EEN

Intake

Storage and Disinfection

Do ma stic Use

A. PLAN (OVERALL) Valve Box •

SffT— I J T- Out lot

B. SECTION A-A

POND 1

MASONRY CHAMBER

• * -

Concrete 1 2:4 mix 20 mm.M.S. Rod hook R.C.1:2:4mix

Brick/ stone masonry in 1:4 mortar

fc P.V.C./H.O.P.E./ A C Pipe

• > > > > > n Concrete 1 : 4 : 8

SECTION A-A

350 trz

ff 20 mm Hole

o o o

I

4

o o

©

o o

3

3l

PRECAST CONCRETE CHAMBER

R.C. 1:2:4 mix

6 0

SECTION B-B

i 350 1:2 :4 mix concrete thrust block

600

- t

FIRE HYDRANT POST

6 0 0

SECTIONAL PLAN C - C

Opening to be closed with cone, leaving 15 mm . gap around the pipe which is to be rilled wi th bitumen

Air valve chambers, as above can also be used as meter chambers

Precast concrete chamber and masonry chamber

r 2" t 4 5 0 • ^ — 1

PLAN

All dimension* In cm, unto** otherwise shown

AIR VALVE CHAMBER AND FIRE HYDRIANT POST 601

WHO/SEARO

250 mm o P.V.C Pipe with perforations o 15 mm o.c. carrying settled water to filter box

Brick masonry 1: 4 mortar —

o 450 mm wash water) R.C. Pipe drain

Cone. 1 :2 :4 mix. Cone. 1 : 4 : 8 mix.

To reservoir

SECTION A,B,C,D

Fine sandeM. size 0.45 uniformity coeft 1.5 top 300 mm thick layer to be replaced by coconut shell eff. siie 1.0 mm uniformity coeff. 1.5 for high rate filtration

0 250 mm c.l . Pipe with perforation o15mm, 50 mm o.c.

f Thickness

7 5 c m 7.5 .. 7.5 •• 7.5 •• 7.5 ••

Gravel

-0 .15cm -0 .3 •• - 0 . 5 •• -010 •• -0.20 ••

Mesh • 0.3 cm • 0 5 » •O.W » •0.20 •• •0 .25 ..

300

^200 ^150

Cone. 1:2:4 mix Conc.1:4:8mix

Cement Concrete manifold 3 0 0 x 2 2 5 Mesh Grovel Thickness

• Q 5 c m . 010 » . 0.20 . 0.40 . 0.50

_ - 0 .5 cm - 0 10 • 0.20 - 0 .40

30 cm 30 30 30 4 0

SECTION E-E

1235

2 2 . 5 3

* 1J0* _T

Waste water chamber 1x1m

50 mm - . Pipes for drainage of j sludge deposited on surface '

Gravel bed flocculator^ and settling tank_ 2x3 5 m

Mixed channel with baffles slope 1:50

V. notch ' Alum dosing tank -Lime dosing tank if required —

TO clear water ' reserve

9 0 0

3 0 0

G.I pipe railling with 0 32 mm pipe

PLAN

350 V notch chamber

Honey comb brick baffle wall

4 10 mm perforations 100 mm ac. 2 rows

100 . 1 0 0 t f "f

"75 5 o~ o ' o

£°4 L ^ i O m m f 2 mm air vent, at top 200 o.c.

DETAILS OF PERFORATIONS VIEWED FROM BOTTOM

P.VC. threatcd couptar I d 50 mm p.v.C. pipe

- 6 mm thick JQ and 4 0 0 mm m wide M. S flat _, over the monitotj) -[

3 0 0 -M ' 6 m m x 100 mm M.S.

flat along the manifold (To be welded with top

M s . plate )

DETAILS OF MANIFOLD


RAPID GAVITY FILTER PLANT FOR LAKE WATER 4.06

WHO/SEARO

50 . 4 Holes |& 32 mm per circle

S3S5S3K4—tf 8 0 0

^

STRAINER VARIANT 1 VARIANT 2 VARIANT 3

Protection crib (Wood )

Generator unit complete with all electrical components

Caisson

Electrical cable

Discharge pipe Lifting chain

Switch box starter panel

W / W A 3i5 ;rrT=±^rl KWJ:

Discharge pipe

Discharge pipe

r JWAV/V\

• Discharge pipe

-Pump

/ W V A

V **?wf

-Pump

t \WW-"

Suction pipe

Suction lift max 8 0 0

Max. 2500

SHAFT INTAKE

50 £

Discharge pipe

7 0 0 . 1000

. Buoy

Electric Cable

Submersible dewatering pump

^Supporting frame

Otscharge hose

BRIDGE INTAKE SLOPED CASING INTAKE SUBMERGED CRADLE INTAKE All dimensions In cm. unless otherwise shown

STATIONARY INTAKE FOR SURFACE WATER 2 01

WHO/SEARO

MASONRY PILLAR POST PIPE OR PRECAST R.C. PILLAR TYPE

TYPE 1

100x 100 mm Concrete 1:2 : 4 mix"

Slecve.one pip« si ie larger than the supply pipe (Annular space packed with wood )

Woste not tap

12mm plaster 1:3mortar

Cone. 1:3:6 mix

Cone 1:3:6 mix 0 1 5 m m pipe

106 .2

Reinforced concrete 1 : 2 : 4 6 0 Precast/cast insitu post

(100 x100 mm top, 150 x 1 5 0 mm bottom )

or Post of f> 8 0 mm C.I or ft 100 mm RC.fA.C pipe filled with

4 0 cone 1:2:4 mix

masonry 1 :4 mortar

I " ' 9 / 45

SECTION A-A

85

Brick masonry in 1:4 mortar B

t._ • •£ Pitcher stand

F0lT-° J f—*M

u: * >

" * " I 11.2

-HI PLAN

SECTION B-B

-A

•€>•

•€>

I' B

u

SECTION C-C Drain to sookagc pit or natural drainage

Valve chamber

d 141.6

-mi-i

._i

KEY DIAGRAM TWO TAP PUBLIC STAND POST

^ 20 mm

Supply^pipe I

PLAN

11.2

All dimensions In cm, unlets otherwise shown

PILLAR TYPE PUBLIC STAND POST (FOUNTAIN) 6.04

WHO/SEARO

Unconsolidated caving m a t e r i a l , sand and gravel or sand

Clay, hardpan .s i l t or s imi lar material to depth of more than 6 metre

Cloy, h a r d p a n , s i l t or s i m i l a r m a t e r i a l containing layer of sand or gravel within 4 .5 m of ground surface

Creviced or f roctured rock such as l imestone , granite and quar tz i te

("JWWf zsm Temporary cosing {if required) puddle clay or

• cement grout upto ; 3 m mm

Temporary outer • casing withdrawn

; af ter lowering ~. ; assembly

Pumping water level

Casing upto 6 m or 1 5m below pumping Wl. wichever i t more

m?.vM

Fine sand •

i-W-*

', Casing size 32mm(min)

>Screening size 3 2 m m . ; ;or 4 0 mm o ( m i n ) ;!

;::::::::;:;::::::s°" P'»9 ':

Medium j o n d

'.'.".•'l".'.'!'.'''.'''.

, ; . Sand . ; • ; • ; •J ; and ['•['I'll', gravel : • : • : •

\:':'y:.'..'.:':.'..*.•:• .*..;.... r"... ,: . •**'."rfr$ ::X':-:*s*:-x:X':'x***''''''-'**''-*'*''''-'*'* sand v:

-(Temporary cas ingS yto be w i t h d r a w n <', ' !as cement grout \\ us p laced \

mBtm

0 0m

Casing upto 1 5 m below pumping W/L mln

~t7 Casing 3 2 m m ( m i n )

» « » i » M ^ m i n f i »v«v«Trrf¥s'<v»*r«y»*»Ti

Medium sand

j n " * " " i i * - * * - " " - i i ' t t " r " " * " " * *

Cement grout

Casing length 1 5 m below over burden

Casing size

El 0 .0 m

j f 3 2 m m (mm)

! > » » » » W » » » » » f l * t 1 " ' '

Medium sand

. • • • • • • • • • • • • • • • • • • • • • • • • • • r\ • • • • • • • • • • • • • • • • • » • • • • • • • •

- - • M ' " * " * v ; i

Where pumping level is less than 7 5 m . f rom the s u r f a c e , casing should extend 3 m below the pumping

For gravel packing drill hole to be (O.D.) dla.of casing or Mnar pipe/screen « 1 5 0 mm (min)

Alt dimensions In cm, unless otherwise shown

SANITARY PROTECTION OF WELLS CEMENT GROUTING

1.02

WHO/SEARO

40mm x 6 mm Flot iron with eyelet for hook & lock

4 25 mm Overflow pipe

R C. 1:11<2:3mix MS Bors 100 o.c horizontoly & 300 o c vertically

R.C.TANK TYPE (CIRCULAR)

- ^ COO mm R.C. Manhole cover 40 mm thick

- — ^ to mm Hook grouted in tank root for locking

MASONRY TANK TYPE (SQUARE)

6 0 0 x 600 mm opening

£ —

22 5

15 mm waste not top

Scour pipe

Collar / , 7 5 x 7 5 c m fillet

<&**T**^ Slope 1:5-^

•H' Depth

I

-Inletpipe fi 15mm

//^//^

SECTIONAL ELEVATION A-A

A: CIRCULAR TYPE

Cement plaster 1 .4

Wheel valve chamber

CAPACITY LITRES

2 0 0 0 2 5 0 0 3 0 0 0 4 0 0 0 5 0 0 0

DEPTH 'H-{m)

1.3 1.6 1 8 1.8 2 .0

DIA Dim)

1.4 1 .4 1.4 1.8 1.8

B: SQUARE TYPE

CAPACITY LITRES

2 0 0 0 2 5 0 0 5 0 0 0

10000

DEPTH 'H'(m)

1.0 1.0 1.0 1.1

LENGTH/ W»TH L/W(m>

1.4 1.6 2.2 3.0

75mm R.C Slab with suitable reinforcement

1

$ 2 5 m m Overflow pipe

Outside cement plaster 1:4 martor

Sleeve pipe one size larger ( space between( two pipes packed with wood chips)

SECTIONAL ELEVATION B-B

Drain to natural droinogeor so-akoge pit or filter trench

60 B4-,

L or W | 60

3§=

PLAN

I ^ 32 mm Scour pipe

4 15mm

X_

IT I'

9 0 0 mm long 4 0 x 6 mm flat with eyelet fog hook &

lock " i i

z 110 mm hook grountcd in roof

I— Precast R.C Slob cover for M.H. In 2 pieces

iTf

4 Wheel valve chamber


MULTI-TAP STORAGE TYPE PUBLIC FOUNTAIN (STAND POST)

6.03 WHO/SEARO

variable length ace according to aquifer

c t L._

PLAN

^ '8 o o 30 Both direction

SECTION B-B

Access door, metal sheet 3 '16

Lock

Terrain profile

To system

Water level in spring should be ^ at least 5 cms above overflow >>

Valve box

Valve Mosonry wall

bar

v 1 * i ! t_.._iL.._._,

1 i I l 1 I 1 h r - r

1

r i

1

-1

—•

co

Metal to be protected with two layers o( auticorrosive paint and two final layers of metallic paint on both sides

ACCESS DOOR PLAN

Steel plate 3 /16

H . / . A yjiuij ilfiii ' 11 >>i m i l l

Steel I'M . 3 / ) |

SECTION A - A ACCESS DOOR


SPRING BOX GUATEMALA 1.03

' >

t*4-

B /

t,._/_ Intake Chamber

•<&rr-=FtT

/ " / " i * Spillway boards

Supply pipa

Clcon out

L«vel up to the bonk

PLAN

t\\<" *'°>V " *

t^f 55 , » , « t

SECTION B-B

OUTLET

Strainer (see detoil on drawing no. )

Bfffi1 , *y# G.I . Flange f i " or 5 0 m m

G.I. P l p e y 2 " LtBOcn

Flange s e t / T 2 " - 6 3 m m

G I.Nipple jf 2" or 5 0 m m

Gate valve jT2"or SOmm

CLEAN OUT _ m M n l 1 _G.I.EIbow -^"2"or50mm

G.I Pip*jf£"or 50mm L«60cmT T

Gate valve jfi" or 5 0 mm |

G I N l p p l a y 2 " o r 5 0 m m

G. I .P Ipey"2"or50mm L « 5 0 c m


SMALL STREAM CATCHMENT INTAKE WITH LOW DAM

Scale A mg C I / 1

0 0 9 0 9 0

7,0

6 0 —

5 0 ——

Scale B g C a h y p o c h l o r i t e ( 7 0 % )

1 0 -

0.9 •

O B -

0 7-

0 6 -

0 5 -

0 4 -

1 0 0 0.0 eo-o.o

° 4 0 0 0

' t 0 0 . 0

eo o

oO.O

" 2 5 . 0

15 .0

5.0

0.9 =

_

= 9 0 0 0 700 0

5 0 0 0

300 O

150 0

9 0 0 70 0

5 0 0

30 0

20 0

1 0.0 8 0 6 0

1 0

o a

Scale C I Solut ion

• 1 0 0 0 0 0 • 9 0 O O 0

8 0 0 0 0

• 7 0 0 0 0 ' 6 0 0 0 0

50OO0

a _ 4 0 0 0 0

• 3 0 0 0 0

2 0 0 0 0

15 0 0 0

1 0 0 0 0 9 0 0 0 8 0 0 0 7OO0 6OO0 5 0 0 0 4 0 0 0

3 000

2 5 0 0

2 0 00

I Piattic cop Plastic jtrrycon

To clean water tank To citon wot«r tank

DOSING OF 70% HYPOCHLORITE

All dimtntlom In cm. unlen otrwrwlM thown

PLASTIC JERRYCAN CHLORINATOR

1127.5

D

1 D D

]

1 TRTi

D

150 mm # ventilator

ELEVATION

Platform cement cone. 1 :2 :4 mix.

Y 5 0 0 mm wide iron ladder -

1 0 0 mm f rain water pipe

100 mm 4 over flow pipe

75 mm • scour pipe-.

Roof ventilator 150 mm 0

Brick masonry 1: 3

Mortar

RC slab 1:2:4 mix. 75 mm thick, slope 1:40

DETAILS OF VENTILATOR A.B.C.

Fly mesh

Wooden frame

112 mm RC. core wall

f A

Brick masonry -

PLAN Ventilator A B C . 45 x 6 0 with wooden frame having fly mesh.

Flat iron supports

125 mm. # outlet pipe

100 mm. # inlet pipe

75 mm. # scour pipe

100 mm RC. 1:1*5:3 mix

0 0 0 mm • manhole

M.S. foot - steps

Brick on edge over 75 mm thick cone. 1 :4:8 mix

100 mm # over flow pipe

80 mm thick cement concrete brick

platform 30 x 30

100 mm # rain water pipe

^ 100 mm * inlet pipe

125 mm * outlet pipe

Brick on edge over 75 mm cone. 1:4:0 mix.

PLAN ON A - A

NOTE : For Dimensions of 14 m 3 Capacity Tank See Guide Notes

Door

PLAN ON B - B

-112 mm brick masonry 1:3 mortar inside and out side

- 5 0 0 mm wide iron ladder

» 20 mm f> M.S. rungs 300 o.c.

f v.4:oi mix. v.

iTNl i" 1 1 " 1

0*90 x 2 * 0 2 5 m L J

40 x 40 x 5 mm angle iron ladder

- 4 0 x 4 0 x 5 m m angle iron support bracket

• Cone. 1 : 4 : 8

All dimensions In cm, unlets otherwise shown

4.11

ELEVATED SERVICE RESERVOIR 65 m3 CAPACITY WHO/SEARO

150

4 6 mm elongated holes

4 3 0 m m Hole 40

Mild steel bolt 4 4 m m for stroke adjustment

Mild steel bolt 4 6 mm, long 90 mm

Valve spring

ALTERNATIVE DESIGN OF IMPULSE VALVE

Valve weights -

K 3o r° \

n r t Thin walled metal tube 10 mm bore 6 0 mm long

/ M

uinfchfr 4 AC\ m m *— A 4 50 mm pipe connector

Rubber washer f 40 mm

Steel washer

Mild steel bolt 4 4 mm for spring tension

r z z z z z z r ^ H \ZZZIZa^mrrrrrTTt^ZZXZI3\ a S I M P L E C L A C K VALVE b FLEXIBLE RUBBER

, _ n _ . WASHER

-—=r—Weight*

ASSEMBLY OF IMPULSE VALVE STEM & SPRING TENSION BOLT

4 5 0 mm mole thrcatcd

v hippie

Pin moves in and out with each squirt of water Keeping~--^ holes clean

DETAIL A

Valve plate

i^K>xa I

WELDING CONNECTOR TO PLATE

i-\?

' U ' Bend in spring

SPRING-BENT TO SHAPE FOR IMPULSE VALVE

4 6 mm

z 4 0 mm

•^r

\J—l-t

20 100 2S0 30 20 ^ 6 5 0 « 3 0 x 2 mm M.S. Strip

tin

M.S. SPRING STRIP All dimensions m cm, unlets otherwise shown

Valve can be unscrewed and replaced

I 50 mm . Perforated L valve plate

Valve prate

f) 4 mm Bolt

SECTION A-A Direction of flow

CLACK VALVE IN GUIDE

HYDRAULIC RAM: COMPONENTS 6.10

WHO/SEARO

600 x 6 0 0 mm M.H. opening

^ 75 mm Overf low pipe

5 0 0 x 500 m m -Squore concrete splash block

Concentr ic steel (410 mm 2 0 0 m m o.c . I rom 160 radius t o edge


CLEAR WATER STORAGE RESERVOIR WITH DOMEROOF WHO/SEARO

4.12

/

k,

10 15

. Detail I

60

f f 6 0 IS 49

I—iHH

230 10 5 0 10 1 7 8

4^d

N.P. r

" J '•', 60

H4—f-60 1 5 4 S

-*—H4 Ventilation pipe

Masonry wall -5 i n — i

TANK COVER MAN HOLE

Slob

^ I s

DETAIL I


MASONRY DISTRIBUTION TANK 20 m^ 6.07

MEXICO

HAND PUMP UNIT FOR PUBLIC USE CAPACITY 1000 LITRES/HOUR

Perforated precoit slab 50 mm. thick 3 pieces, with omm. # hol«i 60 mm o.c. { removable)

Ventilator of 50 mm die" G.I. pip* with bras* mesh -

HAND PUMP UNIT (DOMESTIC USE ) CAPACITY 200 LITRES/HOUR

25mm. sit* lime stone/ferro manganous or« & cok« 150 mm. deep

M.S. Rod grating of 10 mm. M.S. Rod* 2 5 mm. O.C.

25 mm. F* ventilator hole* 12 not.

540 Coarse sand 300 mm. thick lay«r ""effective size 0'7 mm

PV.C./G.I. Laterals 25 mm. # 100 mm. O.C. with 3mm * hole* 50 mm. O.C

Clean out pipe 50 mm . # All dimensions in cm, unless otherwise shown

PLAN Drain to natural droinoge or soakoge pit

HAND PUMP WITH IRON REMOVAL UNIT 4.01

WHO/SEARO

Hand pump

y ' 4

".**$

4

4

t It-

Conic notes


LONGITUDINAL SECTION DOG WELL

DUG WELL

PLAN WELL COVER

PERU 1.01

Type designs for small water supply systems - IRC :: Home · PDF file25 m3 r.c. circular...

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